Data Scientist I applicants have rated the interview process at Google with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 68.7% positive. This is according to Glassdoor user ratings.
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I applied through an employee referral. The process took 2 weeks. I interviewed at Google (New York, NY) in Oct 2015
Interview
I was contacted by a recruiter after a referral. I had one phone screen and then a take home challenge. The phone screen consisted of some very basic stats and CS questions. This was followed by a detailed take home challenge where I had to analyze a data set on google's internal data.
I applied through a recruiter. I interviewed at Google in Feb 2014
Interview
One recruiter reached out to me over LinkedIn. I was then handed off to another recruiter who performed a short phone screen. After that there was a longer phone interview with the leader of that particular team. The longer phone call took about an hour in total. They seemed to be trying to move the whole process along quickly.
Interview questions [1]
Question 1
There was a question about SQL joins, string parsing in R, some simple machine learning, as well as some general questions about particularly risky or creative things you have done.
I applied through college or university. The process took 1 day. I interviewed at Google (Los Angeles, CA) in Feb 2015
Interview
It's an on campus interview. There were two rounds, one is about resume and machine learning questions, and the interviewer asked to implement some machine learning algorithm using pseudo code; the other is about some coding and algorithm questions.